Connecting Solar Module Strings to the Fronius
DC Box 60/12
Safety
Preparation
The following steps illustrate the connection of 10 solar module strings.
1
Connecting
Solar Module
Strings to the
Fronius DC
Box 60/12
WARNING! An electric shock can be fatal. Danger from DC
voltage from solar modules. Make sure that the input and out-
put sides in front of the device are not charged before connec-
ting anything.
NOTE! Insert metric screw joints corresponding to the number of
available solar module strings, insert threaded plugs in the empty
positions.
1
4
3
5
2
Tightening torque:
M16 ... 2,5 Nm
M20 ... 4,0 Nm
NOTE! Only use a DC cable with the correct polarity at the termi-
nals for DC cable 'IN' and at the terminals with fuse holders for
DC cable 'IN.'
NOTE! For DC cables that are connected to terminals with fuse
holders, make sure that a fuse is inserted in each fuse holder.
15